Motherboard Expansion Slots - MSI MS-S322 User Manual

Motherboard Expansion Slots

3
PCIe (Peripheral Component Interconnect Express) Slots
The PCI Express slots support PCIe interface expansion cards.
OCP (Open Compute Project) LAN Mezzanine Slot
The slots allows the deployment of a wide variety of additional networking options
through OCP Mezzanine Ethernet cards.
⚠
Important
When adding or removing expansion cards, make sure that you unplug the power
supply first. Meanwhile, read the documentation for the expansion card to configure
any necessary hardware or software settings for the expansion card, such as jumpers,
switches or BIOS configuration.
RISER1: PCIe 4.0 x 32 Slot (from CPU0)
1
RISER2: PCIe 4.0 x 32 Slot (from CPU1)
2
RISER3: PCIe 4.0 x 16 Slot (from CPU1)
3
RISER4: For proprietary riser card only
4
(PCIe 4.0 x16 from CPU0)
4
2
OCP1: OCP 3.0 SFF
1
Motherboard Expansion Slots
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